1381900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1063}}^1$

素因数の和:1090

約数の個数: 36

約数和(自身を含む): 3232432

約数和(自身を除く): 1850532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1063, 1300, 2126, 4252, 5315, 10630, 13819, 21260, 26575, 27638, 53150, 55276, 69095, 106300, 138190, 276380, 345475, 690950, 1381900]

約数ペア:

[(1, 1381900), (2, 690950), (4, 345475), (5, 276380), (10, 138190), (13, 106300), (20, 69095), (25, 55276), (26, 53150), (50, 27638), (52, 26575), (65, 21260), (100, 13819), (130, 10630), (260, 5315), (325, 4252), (650, 2126), (1063, 1300)]